Electronic lock



FIG. 1 is a perspective view of the electronic lock showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines shown are included for the purpose of illustrating portions of the electronic lock that form no part of the claim. 

CLAIM The ornamental design for an electronic lock, as shown and described. 